672364979673 has 8 divisors (see below), whose sum is σ = 897075277728. Its totient is φ = 447949000704.

The previous prime is 672364979647. The next prime is 672364979681. The reversal of 672364979673 is 376979463276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 672364979673 - 2⁸ = 672364979417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672364979598 and 672364979607.

It is not an unprimeable number, because it can be changed into a prime (672364978673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73574440 + ... + 73583577.

It is an arithmetic number, because the mean of its divisors is an integer number (112134409716).

Almost surely, 2^672364979673 is an apocalyptic number.

It is an amenable number.

672364979673 is a deficient number, since it is larger than the sum of its proper divisors (224710298055).

672364979673 is a wasteful number, since it uses less digits than its factorization.

672364979673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147159543.

The product of its digits is 432081216, while the sum is 69.

The spelling of 672364979673 in words is "six hundred seventy-two billion, three hundred sixty-four million, nine hundred seventy-nine thousand, six hundred seventy-three".